I purchased a brand mew Mercedes 200 E class in mid 2008 and have covered 92000 km todate,lately I the car has a humming noise from the rear axil and Ipoh Motor has informed me that there is no warran

Question edited for a lot more clarity.
Question moved to model category.

These things have fuses boxes all over the place and are a nightmare to work on :>D

Fuse Box Diagram Mercedes-Benz M-Class (W164; 2006 ...

https://fuse-box.info > mercedes-benz > mercedes-benz-...

Here you will find fuse box diagrams of Mercedes-Benz ML280, ML300, ML320, ML350, ML420, ML450, ML500, ML550, ML63 2006, 2007, 2008, 2009, 2010 and 2011, ...

Fuses W164 M-Class 2006-2011 Diagram, Box Location ...

https://www.mercedesmedic.com > fuse-box-location-d...

Fuse locations on Mercedes-Benz M-Class W164 2006-2011. Main fuse box and relay box is located in the engine compartment. Rear, passenger side in the trunk.
Model: ML 320 CDI ML 320 BLUETEC ML 350 ...
Years: 2006 2007 2008 2009 2010 2011
Chassis: 164
Make: Mercedes-Benz

Fuses W164 M-Class 2006-2011 Diagram, Box Location ...

https://mbworld.org > attachments > m-class-w164
PDF
Fuse locations on Mercedes-Benz M-Class W164 2006-2011. Main fuse box and relay box is located in the engine compartment. Rear, passenger side in the trunk.
9 pages

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I have a CLK 2001 and my rear window buttons just work normally when the roof is down. I can even raise a rear window without raising the front one.

https://www.mbusa.com/mercedes/service_and_parts/owners_manuals

indicates a fuel pump problem as that is the only thing in that area that is ignition controlled or possibly the EVAP system solenoid/ valve if it is in that area
the frequency will be constant as the pump rpm is constant
the noise could be a venting noise from the EVAP in in that area
the distance of 15 km indicates that the problem is heat related as it take that long for something to over heat and cause the noise
you may get an indicator by running the fault code

Yes. Actually in US most is E10 and has been for a couple of years. Just remember to use mid or premium grades

Use the steering wheel buttons, bottom left one till you get to "Settings" then UP arrow, then use the +/- on the right side till you get to "Instrument" or "Display" (depending on model) Use the arrows till you get to "Display units in miles / km" and use the + / - to change same. Escpae using the bottom left button.

check any visual oil leaking from differential, if oil mark there check diff oil and adjust or replace oil, then get it for drive, if the problem same as before check rear wheel bearings.if no noise from wheel bearings possibly faulty transmission get it diagnose by transmission experts what's the fault in trans mission, is this information helped you?

This noise is caused by the belt tensioner pulley - solution is to replace the assembly. If the noise is only present when the engine is cold, it could be the exhaust manifold.

E class merc ing barrel wiring as some one changed it and the wires come out the plastic housing at rear 1994 car

the trailblazers have a issue with the fan clutch. it normally has to be replaced. ide take it to a dealership. its not a easy task to replace the fan clutch if thats the problem.

hi,for my opinion,your dealer should write a technical product report to main distributor for further evaluation,ty